function cacti_snmp_walk($hostname, $community, $oid, $version, $username, $password, $auth_proto, $priv_pass, $priv_proto, $context, $port = 161, $timeout = 500, $retries = 0, $max_oids = 10, $environ = SNMP_POLLER)
{
global $config, $banned_snmp_strings;
$snmp_oid_included = true;
$snmp_auth = '';
$snmp_array = array();
$temp_array = array();
/* determine default retries */
if ($retries == 0 || !is_numeric($retries)) {
$retries = read_config_option("snmp_retries");
if ($retries == "") {
$retries = 3;
}
}
/* determine default max_oids */
if ($max_oids == 0 || !is_numeric($max_oids)) {
$max_oids = read_config_option("max_get_size");
if ($max_oids == "") {
$max_oids = 10;
}
}
/* do not attempt to poll invalid combinations */
if ($version == 0 || !is_numeric($version) || !is_numeric($max_oids) || !is_numeric($port) || !is_numeric($retries) || !is_numeric($timeout) || $community == "" && $version != 3) {
return array();
}
$path_snmpbulkwalk = read_config_option("path_snmpbulkwalk");
if (snmp_get_method($version) == SNMP_METHOD_PHP && (!strlen($context) || $version != 3) && ($version == 1 || version_compare(phpversion(), "5.1") >= 0 || !file_exists($path_snmpbulkwalk))) {
/* make sure snmp* is verbose so we can see what types of data
we are getting back */
/* force php to return numeric oid's */
if (function_exists("snmp_set_oid_numeric_print")) {
snmp_set_oid_numeric_print(TRUE);
}
if (function_exists("snmprealwalk")) {
$snmp_oid_included = false;
}
snmp_set_quick_print(0);
if ($version == "1") {
$temp_array = @snmprealwalk("{$hostname}:{$port}", "{$community}", "{$oid}", $timeout * 1000, $retries);
} elseif ($version == "2") {
$temp_array = @snmp2_real_walk("{$hostname}:{$port}", "{$community}", "{$oid}", $timeout * 1000, $retries);
} else {
if ($priv_proto == "[None]" || $priv_pass == '') {
$proto = "authNoPriv";
$priv_proto = "";
} else {
$proto = "authPriv";
}
$temp_array = @snmp3_real_walk("{$hostname}:{$port}", "{$username}", $proto, $auth_proto, "{$password}", $priv_proto, "{$priv_pass}", "{$oid}", $timeout * 1000, $retries);
}
if ($temp_array === false) {
cacti_log("WARNING: SNMP Walk Timeout for Host:'{$hostname}', and OID:'{$oid}'", false);
}
/* check for bad entries */
if (is_array($temp_array) && sizeof($temp_array)) {
foreach ($temp_array as $key => $value) {
foreach ($banned_snmp_strings as $item) {
if (strstr($value, $item) != "") {
unset($temp_array[$key]);
continue 2;
}
}
}
}
$o = 0;
for (@reset($temp_array); $i = @key($temp_array); next($temp_array)) {
if ($temp_array[$i] != "NULL") {
$snmp_array[$o]["oid"] = preg_replace("/^\\./", "", $i);
$snmp_array[$o]["value"] = format_snmp_string($temp_array[$i], $snmp_oid_included);
}
$o++;
}
} else {
/* ucd/net snmp want the timeout in seconds */
$timeout = ceil($timeout / 1000);
if ($version == "1") {
$snmp_auth = read_config_option("snmp_version") == "ucd-snmp" ? snmp_escape_string($community) : "-c " . snmp_escape_string($community);
/* v1/v2 - community string */
} elseif ($version == "2") {
$snmp_auth = read_config_option("snmp_version") == "ucd-snmp" ? snmp_escape_string($community) : "-c " . snmp_escape_string($community);
/* v1/v2 - community string */
$version = "2c";
/* ucd/net snmp prefers this over '2' */
} elseif ($version == "3") {
if ($priv_proto == "[None]" || $priv_pass == '') {
$proto = "authNoPriv";
$priv_proto = "";
} else {
$proto = "authPriv";
}
if (strlen($priv_pass)) {
$priv_pass = "******" . snmp_escape_string($priv_pass) . " -x " . snmp_escape_string($priv_proto);
} else {
$priv_pass = "";
}
if (strlen($context)) {
$context = "-n " . snmp_escape_string($context);
} else {
$context = "";
}
$snmp_auth = trim("-u " . snmp_escape_string($username) . " -l " . snmp_escape_string($proto) . " -a " . snmp_escape_string($auth_proto) . " -A " . snmp_escape_string($password) . " " . $priv_pass . " " . $context);
/* v3 - username/password */
}
if (read_config_option("snmp_version") == "ucd-snmp") {
/* escape the command to be executed and vulnerable parameters
* numeric parameters are not subject to command injection
* snmp_auth is treated seperately, see above */
$temp_array = exec_into_array(cacti_escapeshellcmd(read_config_option("path_snmpwalk")) . " -v{$version} -t {$timeout} -r {$retries} " . cacti_escapeshellarg($hostname) . ":{$port} {$snmp_auth} " . cacti_escapeshellarg($oid));
} else {
if (file_exists($path_snmpbulkwalk) && $version > 1 && $max_oids > 1) {
$temp_array = exec_into_array(cacti_escapeshellcmd($path_snmpbulkwalk) . " -O Qn {$snmp_auth} -v {$version} -t {$timeout} -r {$retries} -Cr{$max_oids} " . cacti_escapeshellarg($hostname) . ":{$port} " . cacti_escapeshellarg($oid));
} else {
$temp_array = exec_into_array(cacti_escapeshellcmd(read_config_option("path_snmpwalk")) . " -O Qn {$snmp_auth} -v {$version} -t {$timeout} -r {$retries} " . cacti_escapeshellarg($hostname) . ":{$port} " . cacti_escapeshellarg($oid));
}
}
if (substr_count(implode(" ", $temp_array), "Timeout:")) {
cacti_log("WARNING: SNMP Walk Timeout for Host:'{$hostname}', and OID:'{$oid}'", false);
}
/* check for bad entries */
if (is_array($temp_array) && sizeof($temp_array)) {
foreach ($temp_array as $key => $value) {
foreach ($banned_snmp_strings as $item) {
if (strstr($value, $item) != "") {
unset($temp_array[$key]);
continue 2;
}
}
}
}
for ($i = 0; $i < count($temp_array); $i++) {
if ($temp_array[$i] != "NULL") {
$snmp_array[$i]["oid"] = trim(preg_replace("/(.*) =.*/", "\\1", $temp_array[$i]));
$snmp_array[$i]["value"] = format_snmp_string($temp_array[$i], true);
}
}
}
return $snmp_array;
}
function cacti_snmp_walk($hostname, $community, $oid, $version, $username, $password, $auth_proto, $priv_pass, $priv_proto, $context, $port = 161, $timeout = 500, $retries = 0, $max_oids = 10, $method = SNMP_VALUE_LIBRARY, $environ = SNMP_POLLER)
{
global $config, $banned_snmp_strings;
$snmp_oid_included = true;
$snmp_auth = '';
$snmp_array = array();
$temp_array = array();
/* determine default retries */
if ($retries == 0 || !is_numeric($retries)) {
$retries = read_config_option('snmp_retries');
if ($retries == '') {
$retries = 3;
}
}
/* do not attempt to poll invalid combinations */
if ($version == 0 || !is_numeric($version) || !is_numeric($max_oids) || !is_numeric($port) || !is_numeric($retries) || !is_numeric($timeout) || $community == '' && $version != 3) {
return array();
}
$path_snmpbulkwalk = read_config_option('path_snmpbulkwalk');
if (snmp_get_method($version) == SNMP_METHOD_PHP && (!strlen($context) || $version != 3) && ($version == 1 || version_compare(phpversion(), '5.1') >= 0 || !file_exists($path_snmpbulkwalk))) {
/* make sure snmp* is verbose so we can see what types of data
we are getting back */
/* force php to return numeric oid's */
cacti_oid_numeric_format();
snmp_set_quick_print(0);
/* set the output format to numeric */
snmp_set_valueretrieval($method);
if ($version == '1') {
$temp_array = @snmprealwalk("{$hostname}:{$port}", "{$community}", "{$oid}", $timeout * 1000, $retries);
} elseif ($version == '2') {
$temp_array = @snmp2_real_walk("{$hostname}:{$port}", "{$community}", "{$oid}", $timeout * 1000, $retries);
} else {
if ($priv_proto == '[None]') {
$proto = 'authNoPriv';
$priv_proto = '';
} else {
$proto = 'authPriv';
}
$temp_array = @snmp3_real_walk("{$hostname}:{$port}", "{$username}", $proto, $auth_proto, "{$password}", $priv_proto, "{$priv_pass}", "{$oid}", $timeout * 1000, $retries);
}
if ($temp_array === false) {
cacti_log("WARNING: SNMP Walk Timeout for Host:'{$hostname}', and OID:'{$oid}'", false);
}
/* check for bad entries */
if (is_array($temp_array) && sizeof($temp_array)) {
foreach ($temp_array as $key => $value) {
foreach ($banned_snmp_strings as $item) {
if (strstr($value, $item) != '') {
unset($temp_array[$key]);
continue 2;
}
}
}
$o = 0;
for (reset($temp_array); $i = key($temp_array); next($temp_array)) {
if ($temp_array[$i] != 'NULL') {
$snmp_array[$o]['oid'] = preg_replace('/^\\./', '', $i);
$snmp_array[$o]['value'] = format_snmp_string($temp_array[$i], $snmp_oid_included);
}
$o++;
}
}
} else {
/* ucd/net snmp want the timeout in seconds */
$timeout = ceil($timeout / 1000);
if ($version == '1') {
$snmp_auth = '-c ' . snmp_escape_string($community);
/* v1/v2 - community string */
} elseif ($version == '2') {
$snmp_auth = '-c ' . snmp_escape_string($community);
/* v1/v2 - community string */
$version = '2c';
/* ucd/net snmp prefers this over '2' */
} elseif ($version == '3') {
if ($priv_proto == '[None]') {
$proto = 'authNoPriv';
$priv_proto = '';
} else {
$proto = 'authPriv';
}
if (strlen($priv_pass)) {
$priv_pass = '******' . snmp_escape_string($priv_pass) . ' -x ' . snmp_escape_string($priv_proto);
} else {
$priv_pass = '';
}
if (strlen($context)) {
$context = '-n ' . snmp_escape_string($context);
} else {
$context = '';
}
$snmp_auth = trim('-u ' . snmp_escape_string($username) . ' -l ' . snmp_escape_string($proto) . ' -a ' . snmp_escape_string($auth_proto) . ' -A ' . snmp_escape_string($password) . ' ' . $priv_pass . ' ' . $context);
/* v3 - username/password */
}
if (file_exists($path_snmpbulkwalk) && $version > 1 && $max_oids > 1) {
$temp_array = exec_into_array(cacti_escapeshellcmd($path_snmpbulkwalk) . " -O Qn {$snmp_auth} -v {$version} -t {$timeout} -r {$retries} -Cr{$max_oids} " . cacti_escapeshellarg($hostname) . ":{$port} " . cacti_escapeshellarg($oid));
} else {
$temp_array = exec_into_array(cacti_escapeshellcmd(read_config_option('path_snmpwalk')) . " -O Qn {$snmp_auth} -v {$version} -t {$timeout} -r {$retries} " . cacti_escapeshellarg($hostname) . ":{$port} " . cacti_escapeshellarg($oid));
}
if (substr_count(implode(' ', $temp_array), 'Timeout:')) {
cacti_log("WARNING: SNMP Walk Timeout for Host:'{$hostname}', and OID:'{$oid}'", false);
}
/* check for bad entries */
if (is_array($temp_array) && sizeof($temp_array)) {
foreach ($temp_array as $key => $value) {
foreach ($banned_snmp_strings as $item) {
if (strstr($value, $item) != '') {
unset($temp_array[$key]);
continue 2;
}
}
}
for ($i = 0; $i < count($temp_array); $i++) {
if ($temp_array[$i] != 'NULL') {
$snmp_array[$i]['oid'] = trim(preg_replace('/(.*) =.*/', "\\1", $temp_array[$i]));
$snmp_array[$i]['value'] = format_snmp_string($temp_array[$i], true);
}
}
}
}
return $snmp_array;
}
function cacti_snmp_walk($hostname, $community, $oid, $version, $username, $password, $port = 161, $timeout = 500, $environ = SNMP_POLLER) {
global $config;
$snmp_array = array();
$temp_array = array();
/* determine default retries */
$retries = read_config_option("snmp_retries");
if ($retries == "") $retries = 3;
if (snmp_get_method($version) == SNMP_METHOD_PHP) {
/* make sure snmp* is verbose so we can see what types of data
we are getting back */
snmp_set_quick_print(0);
if (function_exists("snmp_set_valueretrieval")) {
snmp_set_valueretrieval(SNMP_VALUE_PLAIN);
}
if ($version == "1") {
$temp_array = @snmprealwalk("$hostname:$port", $community, $oid, ($timeout * 1000), $retries);
} else {
$temp_array = @snmp2_real_walk("$hostname:$port", $community, $oid, ($timeout * 1000), $retries);
}
$o = 0;
for (@reset($temp_array); $i = @key($temp_array); next($temp_array)) {
$snmp_array[$o]["oid"] = ereg_replace("^\.", "", $i);
$snmp_array[$o]["value"] = format_snmp_string($temp_array[$i]);
$o++;
}
}else{
/* ucd/net snmp want the timeout in seconds */
$timeout = ceil($timeout / 1000);
if ($version == "1") {
$snmp_auth = (read_config_option("snmp_version") == "ucd-snmp") ? SNMP_ESCAPE_CHARACTER . $community . SNMP_ESCAPE_CHARACTER : "-c " . SNMP_ESCAPE_CHARACTER . $community . SNMP_ESCAPE_CHARACTER; /* v1/v2 - community string */
}elseif ($version == "2") {
$snmp_auth = (read_config_option("snmp_version") == "ucd-snmp") ? SNMP_ESCAPE_CHARACTER . $community . SNMP_ESCAPE_CHARACTER : "-c " . SNMP_ESCAPE_CHARACTER . $community . SNMP_ESCAPE_CHARACTER; /* v1/v2 - community string */
$version = "2c"; /* ucd/net snmp prefers this over '2' */
}elseif ($version == "3") {
$snmp_auth = "-u $username -l authPriv -a MD5 -A $password -x DES -X $password"; /* v3 - username/password */
}
if (read_config_option("snmp_version") == "ucd-snmp") {
$temp_array = exec_into_array(read_config_option("path_snmpwalk") . " -v$version -t $timeout -r $retries $hostname:$port $snmp_auth $oid");
}else {
$temp_array = exec_into_array(read_config_option("path_snmpwalk") . " -O QfntUe $snmp_auth -v $version -t $timeout -r $retries $hostname:$port $oid");
}
if ((sizeof($temp_array) == 0) || (substr_count($temp_array[0], "No Such Object"))) {
return array();
}
for ($i=0; $i < count($temp_array); $i++) {
$snmp_array[$i]["oid"] = trim(ereg_replace("(.*) =.*", "\\1", $temp_array[$i]));
$snmp_array[$i]["value"] = format_snmp_string($temp_array[$i]);
}
}
return $snmp_array;
}
function cacti_snmp_walk($hostname, $community, $oid, $version, $username, $password, $auth_proto, $priv_pass, $priv_proto, $context, $port = 161, $timeout = 500, $retries = 0, $max_oids = 10, $environ = SNMP_POLLER) {
global $config, $banned_snmp_strings;
$snmp_oid_included = false;
$snmp_auth = '';
$snmp_array = array();
$temp_array = array();
/* determine default retries */
if (($retries == 0) || (!is_numeric($retries))) {
$retries = read_config_option("snmp_retries");
if ($retries == "") $retries = 3;
}
$path_snmpbulkwalk = read_config_option("path_snmpbulkwalk");
if ((snmp_get_method($version) == SNMP_METHOD_PHP) &&
(!strlen($context) || ($version != 3)) &&
(($version == 1) ||
(version_compare(phpversion(), "5.1") >= 0) ||
(!file_exists($path_snmpbulkwalk)))) {
/* make sure snmp* is verbose so we can see what types of data
we are getting back */
/* force php to return numeric oid's */
if (function_exists("snmp_set_oid_numeric_print")) {
snmp_set_oid_numeric_print(TRUE);
$snmp_oid_included = true;
}
snmp_set_quick_print(0);
if ($version == "1") {
$temp_array = @snmprealwalk("$hostname:$port", "$community", "$oid", ($timeout * 1000), $retries);
}elseif ($version == "2") {
$temp_array = @snmp2_real_walk("$hostname:$port", "$community", "$oid", ($timeout * 1000), $retries);
}else{
if ($priv_proto == "[None]") {
$proto = "authNoPriv";
$priv_proto = "";
}else{
$proto = "authPriv";
}
$temp_array = @snmp3_real_walk("$hostname:$port", "$username", $proto, $auth_proto, "$password", $priv_proto, "$priv_pass", "$oid", ($timeout * 1000), $retries);
}
/* check for bad entries */
if (is_array($temp_array) && sizeof($temp_array)) {
foreach($temp_array as $key => $value) {
foreach($banned_snmp_strings as $item) {
if(strstr($value, $item) != "") {
unset($temp_array[$key]);
continue 2;
}
}
}
}
$o = 0;
for (@reset($temp_array); $i = @key($temp_array); next($temp_array)) {
if ($temp_array[$i] != "NULL") {
$snmp_array[$o]["oid"] = preg_replace("/^\./", "", $i);
$snmp_array[$o]["value"] = format_snmp_string($temp_array[$i], $snmp_oid_included);
}
$o++;
}
}else{
/* ucd/net snmp want the timeout in seconds */
$timeout = ceil($timeout / 1000);
if ($version == "1") {
$snmp_auth = (read_config_option("snmp_version") == "ucd-snmp") ? cacti_escapeshellarg($community): "-c " . cacti_escapeshellarg($community); /* v1/v2 - community string */
}elseif ($version == "2") {
$snmp_auth = (read_config_option("snmp_version") == "ucd-snmp") ? cacti_escapeshellarg($community): "-c " . cacti_escapeshellarg($community); /* v1/v2 - community string */
$version = "2c"; /* ucd/net snmp prefers this over '2' */
}elseif ($version == "3") {
if ($priv_proto == "[None]") {
$proto = "authNoPriv";
$priv_proto = "";
}else{
$proto = "authPriv";
}
if (strlen($priv_pass)) {
$priv_pass = "******" . cacti_escapeshellarg($priv_pass) . " -x " . cacti_escapeshellarg($priv_proto);
}else{
$priv_pass = "";
}
if (strlen($context)) {
$context = "-n " . cacti_escapeshellarg($context);
}else{
$context = "";
}
$snmp_auth = trim("-u " . cacti_escapeshellarg($username) .
" -l " . cacti_escapeshellarg($proto) .
" -a " . cacti_escapeshellarg($auth_proto) .
" -A " . cacti_escapeshellarg($password) .
" " . $priv_pass .
" " . $context); /* v3 - username/password */
}
if (read_config_option("snmp_version") == "ucd-snmp") {
$temp_array = exec_into_array(read_config_option("path_snmpwalk") . " -v$version -t $timeout -r $retries $hostname:$port $snmp_auth $oid");
}else {
if (file_exists($path_snmpbulkwalk) && ($version > 1) && ($max_oids > 1)) {
$temp_array = exec_into_array($path_snmpbulkwalk . " -O Qn $snmp_auth -v $version -t $timeout -r $retries -Cr$max_oids $hostname:$port $oid");
}else{
$temp_array = exec_into_array(read_config_option("path_snmpwalk") . " -O Qn $snmp_auth -v $version -t $timeout -r $retries $hostname:$port $oid");
}
}
/* check for bad entries */
if (is_array($temp_array) && sizeof($temp_array)) {
foreach($temp_array as $key => $value) {
foreach($banned_snmp_strings as $item) {
if(strstr($value, $item) != "") {
unset($temp_array[$key]);
continue 2;
}
}
}
}
for ($i=0; $i < count($temp_array); $i++) {
if ($temp_array[$i] != "NULL") {
$snmp_array[$i]["oid"] = trim(preg_replace("/(.*) =.*/", "\\1", $temp_array[$i]));
$snmp_array[$i]["value"] = format_snmp_string($temp_array[$i], true);
}
}
}
return $snmp_array;
}
function cacti_snmp_walk($hostname, $community, $oid, $version, $v3username, $v3password, $v3authproto = "", $v3privpassphrase = "", $v3privproto = "", $port = 161, $timeout = 500, $environ = SNMP_POLLER) {
require_once(CACTI_BASE_PATH . "/lib/sys/exec.php");
$snmp_array = array();
$temp_array = array();
/* determine default retries */
$retries = read_config_option("snmp_retries");
if ($retries == "") $retries = 3;
/* get rid of quotes in privacy passphrase */
$v3privpassphrase = str_replace("#space#", " ", $v3privpassphrase);
if ($v3privproto == "[None]") {
$v3privproto = "";
}
$path_snmpbulkwalk = read_config_option("path_snmpbulkwalk");
if ((snmp_get_method($version) == SNMP_METHOD_PHP) &&
(($version == 1) ||
(version_compare(phpversion(), "5.1") >= 0) ||
(!file_exists($path_snmpbulkwalk)))) {
/* make sure snmp* is verbose so we can see what types of data
we are getting back */
snmp_set_quick_print(0);
/* force php to return numeric oid's */
if (function_exists("snmp_set_oid_numeric_print")) {
snmp_set_oid_numeric_print(1);
}
if ($version == "1") {
$temp_array = @snmprealwalk("$hostname:$port", $community, trim($oid), ($timeout * 1000), $retries);
}elseif ($version == "2") {
$temp_array = @snmp2_real_walk("$hostname:$port", $community, trim($oid), ($timeout * 1000), $retries);
}else{
$temp_array = @snmp3_real_walk("$hostname:$port", $v3username, snmp_get_v3authpriv($v3privproto), $v3authproto,
$v3password, $v3privproto, $v3privpassphrase, trim($oid), ($timeout * 1000), $retries);
}
$o = 0;
for (@reset($temp_array); $i = @key($temp_array); next($temp_array)) {
$snmp_array[$o]["oid"] = ereg_replace("^\.", "", $i);
$snmp_array[$o]["value"] = format_snmp_string($temp_array[$i]);
$o++;
}
}else{
/* ucd/net snmp want the timeout in seconds */
$timeout = ceil($timeout / 1000);
if ($version == "1") {
$snmp_auth = (read_config_option("snmp_version") == "ucd-snmp") ? SNMP_ESCAPE_CHARACTER . $community . SNMP_ESCAPE_CHARACTER : "-c " . SNMP_ESCAPE_CHARACTER . $community . SNMP_ESCAPE_CHARACTER; /* v1/v2 - community string */
}elseif ($version == "2") {
$snmp_auth = (read_config_option("snmp_version") == "ucd-snmp") ? SNMP_ESCAPE_CHARACTER . $community . SNMP_ESCAPE_CHARACTER : "-c " . SNMP_ESCAPE_CHARACTER . $community . SNMP_ESCAPE_CHARACTER; /* v1/v2 - community string */
$version = "2c"; /* ucd/net snmp prefers this over '2' */
}elseif ($version == "3") {
$snmp_auth = "-u $v3username -A $v3password -a $v3authproto -X $v3privpassphrase -x $v3privproto -l " . snmp_get_v3authpriv($v3privproto); /* v3 - username/password/etc... */
}
if (read_config_option("snmp_version") == "ucd-snmp") {
$temp_array = exec_into_array(read_config_option("path_snmpwalk") . " -v$version -t $timeout -r $retries $hostname:$port $snmp_auth $oid");
}else {
if (strlen(trim($path_snmpbulkwalk)) && ($version > 1)) {
$temp_array = exec_into_array(read_config_option("path_snmpbulkwalk") . " -O QfntUe $snmp_auth -v $version -t $timeout -r $retries -Cr50 $hostname:$port $oid");
}else{
$temp_array = exec_into_array(read_config_option("path_snmpwalk") . " -O QfntUe $snmp_auth -v $version -t $timeout -r $retries $hostname:$port $oid");
}
}
if ((sizeof($temp_array) == 0) ||
(substr_count($temp_array[0], "No Such Object")) ||
(substr_count($temp_array[0], "No more variables"))) {
return array();
}
for ($i=0; $i < count($temp_array); $i++) {
$snmp_array[$i]["oid"] = trim(ereg_replace("(.*) =.*", "\\1", $temp_array[$i]));
$snmp_array[$i]["value"] = format_snmp_string($temp_array[$i]);
}
}
return $snmp_array;
}
function cacti_snmp_walk($hostname, $community, $oid, $version, $username, $password, $port = 161, $timeout = 500, $retries = 0, $environ = SNMP_POLLER) {
global $config;
$snmp_array = array();
$temp_array = array();
/* determine default retries */
if (($retries == 0) || (!is_numeric($retries))) {
$retries = read_config_option("snmp_retries");
if ($retries == "") $retries = 3;
}
$path_snmpbulkwalk = read_config_option("path_snmpbulkwalk");
if ((snmp_get_method($version) == SNMP_METHOD_PHP) &&
(($version == 1) ||
(version_compare(phpversion(), "5.1") >= 0) ||
(!file_exists($path_snmpbulkwalk)))) {
/* make sure snmp* is verbose so we can see what types of data
we are getting back */
/* force php to return numeric oid's */
if (function_exists("snmp_set_oid_numeric_print")) {
snmp_set_oid_numeric_print(TRUE);
}
snmp_set_quick_print(0);
if ($version == "1") {
$temp_array = @snmprealwalk("$hostname:$port", "$community", "$oid", ($timeout * 1000), $retries);
}elseif ($version == "2") {
$temp_array = @snmp2_real_walk("$hostname:$port", "$community", "$oid", ($timeout * 1000), $retries);
}else{
$temp_array = @snmp3_real_walk("$hostname:$port", $username, "authNoPriv", "MD5", $password, "", "", $oid, ($timeout * 1000), $retries);
}
$o = 0;
for (@reset($temp_array); $i = @key($temp_array); next($temp_array)) {
$snmp_array[$o]["oid"] = ereg_replace("^\.", "", $i);
$snmp_array[$o]["value"] = format_snmp_string($temp_array[$i]);
$o++;
}
}else{
/* ucd/net snmp want the timeout in seconds */
$timeout = ceil($timeout / 1000);
if ($version == "1") {
$snmp_auth = (read_config_option("snmp_version") == "ucd-snmp") ? SNMP_ESCAPE_CHARACTER . $community . SNMP_ESCAPE_CHARACTER : "-c " . SNMP_ESCAPE_CHARACTER . $community . SNMP_ESCAPE_CHARACTER; /* v1/v2 - community string */
}elseif ($version == "2") {
$snmp_auth = (read_config_option("snmp_version") == "ucd-snmp") ? SNMP_ESCAPE_CHARACTER . $community . SNMP_ESCAPE_CHARACTER : "-c " . SNMP_ESCAPE_CHARACTER . $community . SNMP_ESCAPE_CHARACTER; /* v1/v2 - community string */
$version = "2c"; /* ucd/net snmp prefers this over '2' */
}elseif ($version == "3") {
$snmp_auth = "-u $username -l authNoPriv -a MD5 -A $password"; /* v3 - username/password */
}
if (read_config_option("snmp_version") == "ucd-snmp") {
$temp_array = exec_into_array(read_config_option("path_snmpwalk") . " -v$version -t $timeout -r $retries $hostname:$port $snmp_auth $oid");
}else {
if (file_exists($path_snmpbulkwalk) && ($version > 1)) {
$temp_array = exec_into_array($path_snmpbulkwalk . " -O n $snmp_auth -v $version -t $timeout -r $retries -Cr50 $hostname:$port $oid");
}else{
$temp_array = exec_into_array(read_config_option("path_snmpwalk") . " -O n $snmp_auth -v $version -t $timeout -r $retries $hostname:$port $oid");
}
}
if ((sizeof($temp_array) == 0) ||
(substr_count($temp_array[0], "No Such Object")) ||
(substr_count($temp_array[0], "No more variables"))) {
return array();
}
for ($i=0; $i < count($temp_array); $i++) {
$snmp_array[$i]["oid"] = trim(ereg_replace("(.*) =.*", "\\1", $temp_array[$i]));
$snmp_array[$i]["value"] = format_snmp_string($temp_array[$i]);
}
}
return $snmp_array;
}
function cacti_snmp_walk($hostname, $community, $oid, $version, $username, $password, $auth_proto, $priv_pass, $priv_proto, $port = 161, $timeout = 500, $retries = 0, $environ = SNMP_POLLER)
{
global $config;
$snmp_array = array();
$temp_array = array();
/* determine default retries */
if ($retries == 0 || !is_numeric($retries)) {
$retries = read_config_option("snmp_retries");
if ($retries == "") {
$retries = 3;
}
}
$path_snmpbulkwalk = read_config_option("path_snmpbulkwalk");
if (snmp_get_method($version) == SNMP_METHOD_PHP && ($version == 1 || version_compare(phpversion(), "5.1") >= 0 || !file_exists($path_snmpbulkwalk))) {
/* make sure snmp* is verbose so we can see what types of data
we are getting back */
/* force php to return numeric oid's */
if (function_exists("snmp_set_oid_numeric_print")) {
snmp_set_oid_numeric_print(TRUE);
}
snmp_set_quick_print(0);
if ($version == "1") {
$temp_array = @snmprealwalk("{$hostname}:{$port}", "{$community}", "{$oid}", $timeout * 1000, $retries);
} elseif ($version == "2") {
$temp_array = @snmp2_real_walk("{$hostname}:{$port}", "{$community}", "{$oid}", $timeout * 1000, $retries);
} else {
if ($auth_proto == "[None]") {
$proto = "authNoPriv";
} else {
$proto = "authPriv";
}
$temp_array = @snmp3_real_walk("{$hostname}:{$port}", $username, $proto, $auth_proto, "{$password}", "{$priv_pass}", $priv_proto, "{$oid}", $timeout * 1000, $retries);
}
$o = 0;
for (@reset($temp_array); $i = @key($temp_array); next($temp_array)) {
$snmp_array[$o]["oid"] = ereg_replace("^\\.", "", $i);
$snmp_array[$o]["value"] = format_snmp_string($temp_array[$i]);
$o++;
}
} else {
/* ucd/net snmp want the timeout in seconds */
$timeout = ceil($timeout / 1000);
if ($version == "1") {
$snmp_auth = read_config_option("snmp_version") == "ucd-snmp" ? SNMP_ESCAPE_CHARACTER . $community . SNMP_ESCAPE_CHARACTER : "-c " . SNMP_ESCAPE_CHARACTER . $community . SNMP_ESCAPE_CHARACTER;
/* v1/v2 - community string */
} elseif ($version == "2") {
$snmp_auth = read_config_option("snmp_version") == "ucd-snmp" ? SNMP_ESCAPE_CHARACTER . $community . SNMP_ESCAPE_CHARACTER : "-c " . SNMP_ESCAPE_CHARACTER . $community . SNMP_ESCAPE_CHARACTER;
/* v1/v2 - community string */
$version = "2c";
/* ucd/net snmp prefers this over '2' */
} elseif ($version == "3") {
if ($auth_proto == "[None]") {
$proto = "authNoPriv";
} else {
$proto = "authPriv";
}
if (strlen($priv_pass)) {
$priv_pass = "******"{$priv_pass}\" -x {$priv_proto}";
} else {
$priv_pass = "";
}
$snmp_auth = "-u {$username} -l {$proto} -a {$auth_proto} -A {$password} {$priv_pass}";
/* v3 - username/password */
}
if (read_config_option("snmp_version") == "ucd-snmp") {
$temp_array = exec_into_array(read_config_option("path_snmpwalk") . " -v{$version} -t {$timeout} -r {$retries} {$hostname}:{$port} {$snmp_auth} {$oid}");
} else {
if (file_exists($path_snmpbulkwalk) && $version > 1) {
$temp_array = exec_into_array($path_snmpbulkwalk . " -O Qn {$snmp_auth} -v {$version} -t {$timeout} -r {$retries} -Cr50 {$hostname}:{$port} {$oid}");
} else {
$temp_array = exec_into_array(read_config_option("path_snmpwalk") . " -O Qn {$snmp_auth} -v {$version} -t {$timeout} -r {$retries} {$hostname}:{$port} {$oid}");
}
}
if (sizeof($temp_array) == 0 || substr_count($temp_array[0], "No Such Object") || substr_count($temp_array[0], "No more variables") || substr_count($temp_array[0], "End of MIB") || substr_count($temp_array[0], "Wrong Type")) {
return array();
}
for ($i = 0; $i < count($temp_array); $i++) {
$snmp_array[$i]["oid"] = trim(ereg_replace("(.*) =.*", "\\1", $temp_array[$i]));
$snmp_array[$i]["value"] = format_snmp_string($temp_array[$i]);
}
}
return $snmp_array;
}
